参数资料
型号: A1280A-1CQ172CX79
元件分类: FPGA
英文描述: FPGA, CQFP172
封装: CERAMIC, CQFP-172
文件页数: 10/54页
文件大小: 333K
代理商: A1280A-1CQ172CX79
RadTolerant FPGAs
1- 14
v3.1
Parameter Measurement
Figure 1-9 Output Buffer Delays
Figure 1-10 AC Test Load
To AC Test Loads (shown below)
PAD
D
E
TRIBUFF
In
50%
PAD
1.5V
50%
1.5V
E
50%
PAD
1.5V
50%
10%
E
50%
PAD
GND
1.5V
50%
90%
tDLH
tDHL
tENZL
tENLZ
tENZH
tENHZ
VOH
VCC
GND
VCC
VOL
Load 1
(Used to measure propagation delay)
Load 2
(Used to measure rising/falling edges)
50 pF
To the Output under Test
Ω
VCC
GND
To the Output under Test
50 pF
R to VCC for tPLZ/tPZL
R to GND for tPHZ/tPZH
R = 1 k
Figure 1-11 Input Buffer Delays
PAD
Y
INBUF
PAD
3V
0V
1.5V
Y
GND
V
CC
50%
tINYH
1.5V
50%
tINYL
Figure 1-12 Combinatorial Macro Delays
S
A
B
Y
S, A or B
Y
50%
tPLH
Y
50%
tPHL
tPLH
VCC
GND
VCC
GND
VCC
相关PDF资料
PDF描述
A1280A-CQ172CX79 FPGA, CQFP172
A1280A-1CQG172B FPGA, 1232 CLBS, 8000 GATES, 60 MHz, CQFP172
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A1280A-CQG172B FPGA, 1232 CLBS, 8000 GATES, 41 MHz, CQFP172
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